201391681533

素因数分解:

$3^1\times 7^2\times {\mathrm{1370011439}}^1$

素因数の和:1370011456

約数の個数: 12

約数和(自身を含む): 312362608320

約数和(自身を除く): 110970926787

約数列:

[1, 3, 7, 21, 49, 147, 1370011439, 4110034317, 9590080073, 28770240219, 67130560511, 201391681533]

約数ペア:

[(1, 201391681533), (3, 67130560511), (7, 28770240219), (21, 9590080073), (49, 4110034317), (147, 1370011439)]